Viewing archive of fredag, 4 juni 2010
Solaktivitetsrapport
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Rapport för sol- och geofysisk aktivitet 2010 Jun 04 2201 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 155 publicerat klockan 2200Z på 04 Jun 2010IA. Analys av solfläcksgrupper och solaktivitet från 03-2100Z till 04-2100Z Solar activity has been at very low levels for the past
24 hours. Region 1076 (S19W49) has decayed in white light areal
coverage but remains a beta magnetic classification. No flares were
observed. However, a full-halo CME was observed on LASCO C2 imagery
at 04/1202Z. The CME appears to be a backsided event and is not
expected to become geoeffective.
IB. Prognos för solaktivitet
Solar activity is expected to be at
very low levels with a slight chance for C-class events for the next
three days (05-07 June).
IIA. Sammanfattning av geofysisk aktivitet 03-2100Z till 04-2100Z
The geomagnetic field has been at quiet to active levels with an
isolated minor storm period from 0000Z-0300Z for the past 24 hours.
Solar wind data from the ACE spacecraft indicate the continuation of
a high speed solar wind stream with wind speeds around 550 km/s. The
greater than 2 MeV electron flux at geosynchronous orbit was at high
levels during the past 24 hours.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at unsettled levels with a chance for an isolated
active period for the first day (05 June) due to persistence and the
forecasted arrival of the CME observed on 31 May. Mostly quiet
conditions are expected on the second day (06 June). Quiet to
unsettled conditions are expected with a chance for active periods
on the third day (07 June) due to a coronal hole high-speed stream
moving into geoeffective position.
III. Chans för solutbrott från 05 Jun till 07 Jun
| M-klass | 01% | 01% | 01% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 04 Jun 072 Prognoserat 05 Jun-07 Jun 072/072/072 90 Day Mean 04 Jun 077
V. Geomagnetiskt A-index
Observerad Afr/Ap 03 Jun 013/013 Förväntat Afr/Ap 04 Jun 012/015 Prognoserat Afr/Ap 05 Jun-07 Jun 010/010-005/005-008/010
VI. Chanser för geomagnetisk aktivitet från 05 Jun till 07 Jun
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 15% | 30% |
| Små stormförhållanden | 10% | 05% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 20% | 35% |
| Små stormförhållanden | 15% | 05% | 15% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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